EUVD-2026-81279
GHSA-4687-wm68-8h9w
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Network CSRF with no attacker auth (PR:N) but mandatory victim interaction (UI:R); no data exposure (C:N), only a state-changing forced logout giving low integrity/availability impact.
Primary rating from Vendor (vulncheck).
CVSS VectorVendor: vulncheck
Lifecycle Timeline
3DescriptionCVE.org
In AVideo through 29.0, the autoCSRFGuard() function maintains a hardcoded allowlist of exempt basenames tested without directory context, allowing plugin files matching core filenames to inherit CSRF exemptions. The LoginWordPress plugin file login.json.php inherits an exemption and unconditionally logs out authenticated users on cross-site POST requests before validating credentials.
AnalysisAI
Forced logout of authenticated AVideo users (versions through 29.0) is possible when the third-party LoginWordPress plugin is installed and enabled, because the core autoCSRFGuard() function exempts plugin files whose basenames collide with exempt core filenames. An unauthenticated remote attacker (CVSS vector PR:N) can induce an already-authenticated victim to submit a cross-site POST to the plugin's login.json.php endpoint, which inherits the CSRF exemption and terminates the victim's session before credential validation occurs; the attack does not read data, alter server-side records beyond ending the session, or bypass login, and impact is confined to session termination. …
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Attack ChainAIDerived
Hypothetical attack flow derived from CVE metadata
Vulnerability AssessmentAI
| Exploitation | Requires the AVideo LoginWordPress plugin to be installed/enabled (its login.json.php is the file whose basename collides with a core exempt filename in autoCSRFGuard's allowlist). … Additional conditions and limiting factors are described in the full assessment. |
| Risk Assessment | This is a genuine but low-to-moderate priority issue. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in. |
| Exploit Scenario | Full exploit scenario with step-by-step reproduction available after sign-in. |
| Remediation | No vendor-released patch or fix version is identified in the available data for CVE-2026-92579, so consult the GitHub Security Advisory https://github.com/WWBN/AVideo/security/advisories/GHSA-3hg6-6x7m-5xr8 and the VulnCheck advisory https://www.vulncheck.com/advisories/avideo-through-29.0-broken-access-control-via-csrf-exemption-basename-collision for a patched release. … Detailed patch versions, workarounds, and compensating controls in full report. |
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External POC / Exploit Code
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